How waves and particles interact (IMAGE) American Institute of Physics Caption This illustration shows how waves and particles interact -- wave amplitude is growing while particle drift speed is dropping due to scattering. Credit A. Marcowith, A.J. van Marle, and I. Plotnikov Usage Restrictions Journalists may use this image only with appropriate credit. License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.